Made the following modifications to admin interface

1. Added icons to a lot of things.
![ico1](https://f.cloud.github.com/assets/6051897/1642094/8dba1daa-5871-11e3-8b62-84b32ed597fd.JPG)
![ico2](https://f.cloud.github.com/assets/6051897/1642095/8dcc3314-5871-11e3-9888-64a1905b9192.JPG)
![ico3](https://f.cloud.github.com/assets/6051897/1642096/8dd206ea-5871-11e3-8da9-916cd819c3f9.JPG)
![ico4](https://f.cloud.github.com/assets/6051897/1642097/8dda404e-5871-11e3-98f8-1ce15f13466b.JPG)
![ico5](https://f.cloud.github.com/assets/6051897/1642098/8ddf9760-5871-11e3-955b-f8baee48611d.JPG)
![ico7](https://f.cloud.github.com/assets/6051897/1642099/8de506dc-5871-11e3-8d15-6771663f68f5.JPG)

2. Modified buttons.

3. Reduced the application table width for better readability.
![width](https://f.cloud.github.com/assets/6051897/1642101/acd8a080-5871-11e3-9fdb-593a26a08b54.JPG)

4. Added hover effect to table rows in application table.

5. Added a Copyright Info footer in base.html.
I only added `{% now "Y" %} &copy;` code at the end of the base template. Though it needs some more code to render the name of the app. I hope you can fix it. :)

6. Modified breadcrumbs.
![bread](https://f.cloud.github.com/assets/6051897/1642111/1f8c200c-5872-11e3-9ddc-6168f4906623.JPG)

7. Added search icon to search input box.
![search](https://f.cloud.github.com/assets/6051897/1642112/26337acc-5872-11e3-8507-41a50ebd4076.JPG)

8. Added two custom classes to bootstrap.min.css.
9. Modified Heading h2 in bootstrap.min.css.